Telegrey 1 vs Window grey
Both from RAL Classic's palette. Hue-wise, Telegrey 1 belongs to the grey family and Window grey to the blue-grey family. Window grey (LRV 36) reflects noticeably more light than Telegrey 1 (LRV 31), a difference of 5 points that becomes especially apparent in rooms with limited natural light. The ΔE 4.5 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Telegrey 1 vs Window grey in Real Spaces
1 real room side by side. Telegrey 1 and Window grey are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Window grey reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Telegrey 1 vs Window grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Telegrey 1 on one side and Window grey on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Telegrey 1 comparisons
See how Telegrey 1 stacks up against other well-photographed colors across different brands and tones.
